The mother died in 1981 aged 80 and the son died in 1960 aged 30. How old was the father when the son was born? Is this question incomplete or we are missing something?
The question is incomplete.
>>8627812
Seems like something is missing. Where did you get the question?
>>8627812
phosphorous
>>8627929
Preposterous!
>>8627812
Is this question incompl
>>8627812
>not accounting for Nihonium, Moscovium, Tennessine and Oganesson
It's been a few months!